Friederich, G.E. and L.A. Codsipoti (1987) An analysis of continuous vertical nutrient profiles taken during a cold anomaly off Peru. Deep-Sea Research 34: 1049-1065.

Codispoti, L.A., G.E. Friederich, T.T. Packard and R.T. Barber (1988) Remotely driven thermocline oscillations and denitrification in the Eastern South Pacific: The potential for high denitrification rates during weak coastal upwelling. The Science of the Total Enverioment 75: 301-318.